Natural Selection Quiz

What are the four parts of natural selection?

• Overproduction, genetic variation, selection, adaptation

• Inheritance, variation, high population, differential survival

• Mutation, selection, adaptation, overpopulation

• Genetic drift, gene flow, bottleneck effect, founder effect

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What is an adaptation?

• A trait that helps an organism survive and reproduce

• A shared descendant from two or more species

• The remains or imprints of once living things

• The process by which a population will slowly change over time

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What does the term "common ancestor" refer to?

• A trait developed during an organism's lifetime

• The process of producing more offspring than the environment can support

• A shared descendant from which 2 or more species developed

• The remains or imprints of once living things

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What is evolution?

• Common structures, similar DNA, developmental similarities

• The process of individuals with better traits being more likely to obtain the resources they need to survive & reproduce

• Traits that are passed from parents to their offspring

• The process by which a species/population will slowly change over time

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What is the significance of the fossil record?

• It provides evidence of the order and changes in species or population.

• It is a trait that helps an organism survive and reproduce.

• It is a shared descendant from which 2 or more species developed.

• It is the process of producing more offspring than the environment can support.

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What does "natural selection" lead to in terms of offspring?

• Organisms with more desirable traits reproduce more successfully

• Organisms with acquired traits pass them to their offspring

• Organisms produce more offspring than the environment can support

• Organisms with better traits are more likely to obtain resources

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How does genetic variation occur within a population?

• Through mutations and the recombination of alleles during sexual reproduction

• By acquiring traits during an organism's lifetime

• Through the process of natural selection only

• By the movement of individuals from one environment to another

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Why are fossils important for understanding evolution?

• They provide direct evidence of organisms that acquired traits during their lifetime

• They show that organisms can move from one environment to another

• They offer evidence of past organisms and how species have changed over time

• They demonstrate that all species can produce more offspring than the environment can support

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How do mutations contribute to evolution?

• By decreasing genetic variation within a population

• By creating new genes and alleles that will pass changing traits to the offspring

• By ensuring that only the strongest individuals survive

• By preventing populations from adapting to changing environments

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Why is genetic diversity important for a population's survival?

• It ensures that all individuals in a population are identical

• It decreases the population's ability to adapt to environmental changes

• It increases the population's ability to adapt to environmental changes

• It has no impact on a population's survival

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